If your device runs a compatible, older iOS version that supports the CoreTrust bug, TrollStore installs apps permanently without requiring 7-day refreshes or apple ID signatures.
Tap the ZIP file to extract it. Ensure it opens into a Payload folder containing a .app bundle. If it does, delete the extracted folder and proceed to rename the original ZIP. Long-press the .zip file to open the context menu. Tap Rename . Delete the zip extension and replace it with ipa . Tap Done on your keyboard. convert zip to ipa new